Finding the Fourth Proportional to 3,944.34, 5,911.91 and 2,967.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,944.34 : 5,911.91 = 2,967.30 : x
2. Step 2: Convert to fraction form
   3,944.34/5,911.91 = 2,967.30/x
3. Step 3: Cross multiply
   3,944.34x = 5,911.91 × 2,967.30
4. Step 4: Simplify right side
   3,944.34x = 17,542,410.54
5. Step 5: Solve for x
   x = 17,542,410.54/3,944.34
6. Step 6: Final answer
   x = 4,447.49